<html xmlns="http://www.w3.org/1999/xhtml">  <head>    <title>A simple frameset document</title>  </head>  <frameset cols="10%, 90%">    <frame src="nav.html" title="Navigation" />    <frame src="doc.html" title="Content" />    <noframes>      <body>        <a href="lib.html" title="Library link">Select to go to the electronic library</a>      </body>    </noframes>  </frameset></html>